GTOPO30 is a global digital elevation model (DEM) with
a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer).
The DEM was derived from several raster and vector sources of topographic
information. Completed in late 1996, GTOPO30 was developed over
a three-year period through a collaborative effort led by the U.S.
Geological Survey''s Center for Earth Resources Observation and
Science (EROS). The following organizations participated by contributing
funding or source data: the National Aeronautics and Space Administration
(NASA), the United Nations Environment Programme/Global Resource
Information Database (UNEP/GRID), the U.S. Agency for International
Development (USAID), the Instituto Nacional de Estadistica Geografica
e Informatica (INEGI) of Mexico, the Geographical Survey Institute (GSI)
of Japan, Manaaki Whenua Landcare Research of New Zealand, and
the Scientific Committee on Antarctic Research (SCAR).
Bands
Bands
Name
Units
Min
Max
Pixel Size
Description
elevation
m
-407*
8752*
927.67 meters
Elevation
* estimated min or max value
Terms of Use
Terms of Use
There are no restrictions on the use of data received
from the U.S. Geological Survey's Earth Resources Observation and
Science (EROS) Center. For more information, visit the USGS' Data
Use and Citation page.
Citations
Citations:
GTOPO30 DEM courtesy of the U.S. Geological Survey
GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer). The DEM was derived from several raster and vector sources of topographic information. Completed in late 1996, GTOPO30 was developed over a three-year period through a collaborative effort led by …
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["\u003cp\u003eGTOPO30 is a global digital elevation model (DEM) with a 30 arc-second resolution (approximately 1 kilometer).\u003c/p\u003e\n"],["\u003cp\u003eIt was developed by the USGS in collaboration with NASA and other organizations, completed in 1996.\u003c/p\u003e\n"],["\u003cp\u003eGTOPO30 provides elevation data derived from various sources and is freely available for use without restrictions.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset can be accessed and analyzed using Google Earth Engine.\u003c/p\u003e\n"]]],["The core content details the GTOPO30 dataset, a global digital elevation model (DEM) provided by the U.S. Geological Survey. This dataset, finalized in 1996, offers elevation data with approximately 1-kilometer horizontal grid spacing. It was made available via Earth Engine. The dataset ranges from -407 to 8752 meters in elevation. Users can freely use the data with no restrictions. The Earth Engine code snippet provided enables direct data access and visualization.\n"],null,[]]
